This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
| n | a(n) |
|---|---|
| 0 | 0 |
| 1 | 0 |
| 2 | 4 |
| 3 | 8 |
| 4 | 24 |
| 5 | 40 |
| 6 | 76 |
| 7 | 112 |
| 8 | 176 |
| 9 | 240 |
| 10 | 340 |
| 11 | 440 |
| 12 | 584 |
| 13 | 728 |
| 14 | 924 |
| 15 | 1120 |
| 16 | 1376 |
| 17 | 1632 |
| 18 | 1956 |
| 19 | 2280 |
| 20 | 2680 |
| 21 | 3080 |
| 22 | 3564 |
| 23 | 4048 |
| 24 | 4624 |
| 25 | 5200 |
| 26 | 5876 |
| 27 | 6552 |
| 28 | 7336 |
| 29 | 8120 |
| 30 | 9020 |
| 31 | 9920 |
| 32 | 10944 |
| 33 | 11968 |
| 34 | 13124 |
| 35 | 14280 |
| 36 | 15576 |
| 37 | 16872 |
| 38 | 18316 |
| 39 | 19760 |
| 40 | 21360 |
| 41 | 22960 |